.page-news {
  --news-border: 1px solid var(--edge);
  --news-shadow: 14px 14px 0 -1px var(--deep), 15px 15px 0 0 var(--layer);
  color: var(--ice);
}

.page-news .section {
  padding-block: clamp(44px, 6.5vw, 92px);
}

.page-news .crumbs {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(26px, 4vw, 52px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% 32% 52%;
  height: 420px;
  background: radial-gradient(closest-side, rgba(34, 245, 224, 0.10), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-news .news-hero__intro .eyebrow {
  margin: 0 0 16px;
}

.page-news .news-hero__intro .display-xl {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 7.4vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 22px;
}

.page-news .news-hero__intro .lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ice);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: var(--news-border);
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: var(--news-border);
  font-size: 13.5px;
  color: var(--ice);
}

.page-news .news-hero__facts .num {
  flex: 0 0 62px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero__facts .num--signal { color: var(--orange); }
.page-news .news-hero__facts .num--live { color: var(--cyan); }

/* 头条卡片 */
.page-news .news-lead {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--deep);
  border: var(--news-border);
  box-shadow: var(--news-shadow);
}

.page-news .news-lead__media {
  position: relative;
  display: block;
  overflow: hidden;
  border-bottom: var(--news-border);
}

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
  transition: transform 220ms var(--ease);
}

.page-news .news-lead__media:hover img {
  transform: scale(1.025);
}

.page-news .news-lead__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--orange);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 11px;
}

.page-news .news-lead__body {
  padding: 24px 22px 26px;
}

.page-news .news-lead__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-dim);
}

.page-news .news-lead__meta .num {
  color: var(--orange);
  font-weight: 700;
  margin-right: 8px;
}

.page-news .news-lead__body .display-md {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.25;
  color: var(--paper);
  margin: 0 0 14px;
}

.page-news .news-lead__text {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice);
  opacity: 0.86;
}

/* ---------- 内容流 ---------- */
.page-news .news-stream {
  border-top: var(--news-border);
}

.page-news .section-head__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .section-head__link:hover {
  border-bottom-color: var(--cyan);
}

.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-news .news-side {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-news .news-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-dim);
  text-transform: uppercase;
}

.page-news .news-side__list {
  display: flex;
  flex-direction: column;
}

.page-news .news-side__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: var(--news-border);
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .news-side__link:hover,
.page-news .news-side__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan-dim);
  padding-left: 6px;
}

.page-news .news-side__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-dim);
}

.page-news .news-side__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ice);
  opacity: 0.6;
}

/* 文章条目 */
.page-news .news-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-bottom: var(--news-border);
}

.page-news .news-item:first-child {
  border-top: var(--news-border);
  padding-top: 22px;
}

.page-news .news-item__index {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-dim);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .news-item__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--orange);
  border: 1px solid var(--orange-dim);
  padding: 3px 9px;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-item:hover .news-item__tag {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--void);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan-dim);
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.1vw, 25px);
  line-height: 1.32;
  color: var(--paper);
  margin: 12px 0 10px;
}

.page-news .news-item__excerpt {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice);
  opacity: 0.82;
}

.page-news .news-item__link {
  margin: 12px 0 0;
  font-size: 13px;
}

.page-news .news-item__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 1px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-item__link a:hover {
  border-bottom-color: var(--cyan);
  color: var(--paper);
}

.page-news .news-more {
  margin-top: 16px;
  border-left: 2px solid var(--layer);
  padding-left: 14px;
}

.page-news .news-more > summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 3px 0;
}

.page-news .news-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-more > summary::after {
  content: " +";
  color: var(--cyan-dim);
}

.page-news .news-more[open] > summary::after {
  content: " –";
}

.page-news .news-more ul {
  margin: 10px 0 2px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ice);
  opacity: 0.84;
}

.page-news .news-more li {
  margin-bottom: 7px;
}

/* ---------- 版本对比与数据观察 ---------- */
.page-news .news-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-news .news-duo__item {
  display: flex;
  flex-direction: column;
  background: var(--deep);
  border: var(--news-border);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-duo__item:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
}

.page-news .news-duo__media {
  overflow: hidden;
  border-bottom: var(--news-border);
}

.page-news .news-duo__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}

.page-news .news-duo__body {
  padding: 22px 22px 26px;
}

.page-news .news-duo__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ice);
  opacity: 0.72;
}

.page-news .news-duo__meta .num {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
  margin-right: 8px;
}

.page-news .news-duo__meta .num--signal { color: var(--orange); }
.page-news .news-duo__meta .num--live { color: var(--cyan); }

.page-news .news-duo__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.28;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-news .news-duo__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice);
  opacity: 0.84;
}

.page-news .news-duo__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: var(--news-border);
}

.page-news .news-duo__list li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: var(--news-border);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice);
}

.page-news .news-duo__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 场馆笔记 ---------- */
.page-news .news-venues {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-venues__media {
  overflow: hidden;
  border: var(--news-border);
  box-shadow: var(--news-shadow);
}

.page-news .news-venues__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-news .news-venues__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-venues__list li {
  padding: 18px 0;
  border-bottom: var(--news-border);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-venues__list li:first-child {
  border-top: var(--news-border);
}

.page-news .news-venues__list li:hover {
  border-bottom-color: var(--cyan-dim);
}

.page-news .news-venues__meta {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-dim);
}

.page-news .news-venues__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 20px;
  line-height: 1.34;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-news .news-venues__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ice);
  opacity: 0.8;
}

/* ---------- 订阅与反馈 ---------- */
.page-news .news-cta {
  border-top: var(--news-border);
  background: linear-gradient(180deg, var(--deep) 0%, var(--void) 100%);
}

.page-news .news-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: end;
  padding-block: clamp(44px, 6vw, 86px);
}

.page-news .news-cta__inner .eyebrow {
  margin: 0 0 14px;
}

.page-news .news-cta__inner .display-md {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.2;
  color: var(--paper);
  margin: 0 0 16px;
}

.page-news .news-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  opacity: 0.85;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  .page-news .news-venues {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-news .news-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lead__media img,
  .page-news .news-duo__item,
  .page-news .news-side__link,
  .page-news .news-item__tag,
  .page-news .section-head__link,
  .page-news .news-item__link a {
    transition: none;
  }

  .page-news .news-lead__media:hover img {
    transform: none;
  }

  .page-news .news-duo__item:hover {
    transform: none;
  }
}